Home / 165,466.06-248,223.69-76,728.53

Finding the Fourth Proportional to 165,466.06, 248,223.69 and 76,728.53

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Solution

The fourth proportional to 165,466.06, 248,223.69 and 76,728.53 is: 115,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,466.06 : 248,223.69 = 76,728.53 : x
  2. Step 2: Convert to fraction form
    165,466.06/248,223.69 = 76,728.53/x
  3. Step 3: Cross multiply
    165,466.06x = 248,223.69 × 76,728.53
  4. Step 4: Simplify right side
    165,466.06x = 19,045,839,465.43
  5. Step 5: Solve for x
    x = 19,045,839,465.43/165,466.06
  6. Step 6: Final answer
    x = 115,104.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.